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GMC DiabloSport Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport Sprint Active Fuel Management Module Reviews


Works great , no check engine light, V8 mode constant. N

Reviewed By Dale K (MONCKS CORNER, SC) Reviewed for a 2011 GMC Sierra —12/31/2017 7:28 PM

Only issue I had was shipping, their next day delivery is a slow boat from China! Takes several days to get so don't pay extra. Product was packaged very well, just plugged into obd2 and automaticly connects to onboard computer. I leave mine plugged in 24/7 with no battarie issues, shuts down when ignition is off. Gas Millage is around 17 MPG city. I purchased because I wanted the full power all the time, and do not want to ever pay the cost of several thousands to fix or replace an engine.

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DiabloSport Trinity T-1000 Programmer Reviews


Exactly what I was looking for.

Reviewed By Donald S (TECUMSEH, OK) Reviewed for a 2013 GMC Sierra —2/13/2016 7:22 AM

Tuner has very good tunes an abLe to upload custom tunes via download or micro chip. Can't beat this tuner the Trinity customer service SUCKS!! I emailed them asking how to make the tuner to power down once the ignition is turned off after 4 days I got a response from them, all they said is to unplug it from the ECM port. When i mentioned wanted to use the gagues feature while driving the CS Rep came back with "sent it back where u bought it an get a refund then". That isn't cool at all.

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DiabloSport Predator P2 Tuner Reviews


Good product!

Reviewed By Cory C (Gray, LA) Reviewed for a 2005 GMC Sierra —4/27/2012 11:01 AM

Definitely like the HP increase on the 87 octane tune. Haven't tried the 93 octane tune yet. I have seen an increase in MPG's but haven't ran a whole tank through yet to have an accurate MPG gain.

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